The words are interchangeable in this context:

Do you have SOME apples?

Do you have ANY apples?

But the meaning changes in this context

SOME students may take home a book. (in this case, a specific number of students)

ANY student may take home a book. (this is giving permission for as many students as would like a book to take one)

Here are links to the dictionary defining the two words:

http://dictionary.reference.com/browse/some

http://dictionary.reference.com/browse/any

e.g.: I haven’t got any money at present.

Have you got any money with you?

There aren’t any apples in the basket.

‘Some’ is used with positive statements (regardless of the fact whether the nouns qualified by them are singular or plural) ……

e.g.: I have got some money at present.

I will give you some of it.

There aret some apples in the basket.